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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef LABWC_REGIONS_H
#define LABWC_REGIONS_H
#include <wlr/util/box.h>
struct seat;
struct view;
struct server;
struct output;
struct wl_list;
struct wlr_box;
struct multi_rect;
/* Double use: rcxml.c for config and output.c for usage */
struct region {
struct wl_list link; /* struct rcxml.regions, struct output.regions */
struct output *output;
char *name;
struct wlr_box geo;
struct wlr_box percentage;
struct {
int x;
int y;
} center;
};
/* Returns true if we should show the region overlay or snap to region */
bool regions_should_snap(struct server *server);
/**
* regions_reconfigure*() - re-initializes all regions from struct rc.
*
* - all views are evacuated from the given output (or all of them)
* - all output local regions are destroyed
* - new output local regions are created from struct rc
* - the region geometry is re-calculated
*/
void regions_reconfigure(struct server *server);
void regions_reconfigure_output(struct output *output);
/* re-calculate the geometry based on usable area */
void regions_update_geometry(struct output *output);
/**
* Mark all views which are currently region-tiled to the given output as
* evacuated. This means that the view->tiled_region pointer is reset to
* NULL but view->tiled_region_evacuate is set to a copy of the region name.
*
* The next time desktop_arrange_all_views() causes a call to
* view_apply_region_geometry() it will try to find a new output and then
* search for a region with the same name. If found, view->tiled_region will
* be set to the new region and view->tiled_region_evacuate will be free'd.
*
* If no region with the old name is found (e.g. the user deleted or renamed
* the region in rc.xml and caused a Reconfigure) the view will be reset to
* non-tiled state and view->tiled_region_evacuate will be free'd.
*/
void regions_evacuate_output(struct output *output);
/* Free all regions in given wl_list pointer */
void regions_destroy(struct seat *seat, struct wl_list *regions);
/* Get output local region from cursor or name, may be NULL */
struct region *regions_from_cursor(struct server *server);
struct region *regions_from_name(const char *region_name, struct output *output);
#endif /* LABWC_REGIONS_H */
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